IP Library Assignment 040523/0802
Patent Assignment
Reel/Frame 040523/0802

Assignment of Assignor's Interest

Recorded: 2016-12-05 Pages: 3
Assignor
KYLLINGSTAD, AGE
Executed: 2016-11-30
Assignee
NATIONAL OILWELL VARCO NORWAY AS
POSTBOKS 401 LUNDSIDEN, KRISTIANSAND S, 4604, NORWAY
Covered Property (1)
Method and Device for Estimating Downhole String Variables
Application: 15/316,422 →
Publication: US 2017/0152736
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 2, 2023
From: NATIONAL OILWELL VARCO NORWAY AS
To: NOV INTERNATIONAL HOLDINGS C.V.
Reel/Frame 064367/0415 →
Assignment of Assignor's Interest Jun 7, 2023
From: NOV INTERNATIONAL HOLDINGS C.V.
To: GRANT PRIDECO, INC.
Reel/Frame 063888/0818 →